Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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Question 31274: ok my question is, plot atleast five points for each equations
x+4y = 5
I have plugged in every possible number and I cant seem to get it
Click here to see answer by troyapplehelen(46)

Question 31463: 2) For the function y = x^2 - 4x - 5, perform the following tasks:
a) Put the function in the form y = a(x - h)2 + k.
Answer:
Show work in this space
b)What is the line of symmetry?
Answer:
c) Graph the function using the equation in part a. Explain why it is not necessary to plot points to graph when using y = a (x – h)2 + k.
Show graph here.
Explanation of graphing.
d) In your own words, describe how this graph compares to the graph of y = x^2?
Answer:

Click here to see answer by stanbon(26279)

Question 31544: Write equation in standard form.
The line through (-2,4)that is perpendicularto the x-axis
Click here to see answer by InYourEyes(5)

Question 31502: When using the quadratic formula to solve a quadratic equation (ax2 + bx + c = 0), the discriminant is b2 - 4ac. This discriminant can be positive, zero, or negative.
Create three unique equations where the discriminant is positive, zero, or negative. For each case, explain what this value means to the graph of y = ax2 + bx + c.

Click here to see answer by venugopalramana(3286)

Question 31677This question is from textbook Algebra 1 cocepts and skills
: how do you do that problem?This question is from textbook Algebra 1 cocepts and skills

Click here to see answer by elima(1433)

Question 31799This question is from textbook Introduction to Intermediate Algebra, Third Edition, Custom Publication
: If a problem says:
Is the line
y=2/3x-4 parallel to the line y=-3/2x-4?
I can't seem to find the answerThis question is from textbook Introduction to Intermediate Algebra, Third Edition, Custom Publication

Click here to see answer by mukhopadhyay(490)

Question 31788This question is from textbook Lial-Intermediate Algebra

: Write the equation of a line in slope intercept form that is perpendicular to the line 3x-4y=9 passing through the point (-3,4).This question is from textbook Lial-Intermediate Algebra

Click here to see answer by mukhopadhyay(490)

Question 31681: What does DOMDAS mean?
Click here to see answer by venugopalramana(3286)

Question 31806This question is from textbook
: 3mi.= ft.
3,520yd= mi.
5mi.= ft.
7ft= in.
300ft= in.
432in= yd.This question is from textbook

Click here to see answer by whty89(20)

Question 32012This question is from textbook
: A number consists of two digits whose sum is five. When the digits are reversed, the number is increased by nine. Find the number.This question is from textbook

Click here to see answer by Paul(988)

Question 32011This question is from textbook Beginning Algebra
: A number consists of two digits whose sum is five. When the digits are reversed, the number is increased by nine. Find the number.This question is from textbook Beginning Algebra

Click here to see answer by mbarugel(146)

Question 31993: y=x+2
how do you solve that and graph it?
Click here to see answer by elima(1433)

Question 32065: this is a question from worksheet pg.478 Glencoe Alebra 1.8-4 Enrichment.
For each of the following polynomial functions, make a table of values for x and y =f(x). Then draw a graph on the grid. The first polynomial funtion is,
f(x)=1-x square. I can do the graph but I have no Idea on how to get the table.

Click here to see answer by Earlsdon(4900)

Question 32101: WHen the numerator of a fraction is increased by 4 , the fraction increaces by 2/3 . What is the denominator of the fraction
Click here to see answer by venugopalramana(3286)

Question 32102: Two persons A and B start at the same time from two palces 20km apart. If they walk in the same direction , A over takes B in 10 hours and if they walk in opposite direction , they meet in two hours . Find the rates at which the walk
Click here to see answer by venugopalramana(3286)

Question 32097: Help me solve g(x)=absolute value of x -3
Click here to see answer by venugopalramana(3286)

Question 32105: A number consists of two digits whose sum is 10 . If 72 be subtracted from the number , the digits are reversed . Find the number ? Sir can u please help me .
Click here to see answer by Paul(988)

Question 32106: A boat goes 24 km upstream and 28 km downstream in 6 hours . It goes 30 km upstream and 21 km downstream in 6 hours 30 minutes . Find the speed of the boat in still water and also the speed of the stream
Click here to see answer by Paul(988)

Question 32112: Two kq of sugar and 1/2 kg of tea cost Rs.32 and 3 Kg of sugar and 1 kg of tea cost Rs.59 . FInd the cost of 1 kg of sugar and 1 kg of tea ? ( pls sir i need this answer urgently ... Thank u )
Click here to see answer by Paul(988)

Question 32118: In a flight of 2800 km , an aircraft was slowed down due to bad weather . Its average speed for the trip was reduced by 100km per hour and time icreased by 30 minutes . Find the original duration of flight ?
Click here to see answer by Paul(988)

Question 32119: Find the value of k for which the system of linear equations 2x+5y=3 ; (k+1)x+2(k+2)y=2k will have infinite number of solutions . ( Pls answer . .. Its urget ..........THAnkS

Click here to see answer by stanbon(26279)

Question 32117: Students of a class are made to stand in rows . If 4 students are extra in a row , there would be two rows less . If 4 students are less in a row , there would be 4 more rows . Find the number of students in the class ?

Click here to see answer by Paul(988)

Question 32103: 1. A number consists of two digits whose sum is 10 . If 72 be subtracted from the number , the digits are reversed . find the number ? 2. Two kg of sugar and 1/2 kg of tea cost Rs.32 and 3 kg of sugar and 1 kg of tea cost Rs.59. Find the cost of 1 kg of tea 1kg of sugar ?
Click here to see answer by checkley71(8405)

Question 32131: If the denominator of a fraction is added to its numerator and the numerator is subtracted from its denominator , the fraction becomes 11/3 . If the numerator exceeds the numerator by 3 , find the fraction ?
Click here to see answer by checkley71(8405)

Question 32128: A man rowing at the rate of 5 km an hour in still water takes thrice as much time in going 40 km up the river as in going 40 km down . Find the rate at which the river flows ? ( Sir pls give me an quick answer ) (thanks )
Click here to see answer by checkley71(8405)

Question 32136: If the denominator of a fraction is added to its numerator and the numerator is subtracted from its denominator , the fraction becomes 11/3 . If the numerator exceeds the denominator by 3 , find the fraction ?
Click here to see answer by checkley71(8405)

Question 32134: A person travels 600 km to his home , partly by train and partly by car . He takes 8 hours of he travels 120 km by train and the rest by car . Find the speed of train and the car ?
Click here to see answer by stanbon(26279)

Question 32129: If 4x-3y/7x-6y=4/3,find x/y ?
Click here to see answer by mukhopadhyay(490)

Question 32115: If the denominator of a fraction is added to its numerator and the numerator is subtracted from its denominator , the fraction becomes 11/3 . If the numerator exceeds the numerator by 3 , find the fraction ? ( Urgent answer Pls ..... Thanks )
Click here to see answer by stanbon(26279)

Question 32113: A and B have a certain number of mangoes . A says to B " If you give 30 of your mangoes I will have twice as many left with you ." B replies , " If you give me 10 , I will have thrice as many as left with you . How many mangoes does each have ? ( Pls help me )
Click here to see answer by mukhopadhyay(490)

Question 32104: 1. A number consists of two digits whose sum is 10 . If 72 be subtracted from the number , the digits are reversed . find the number ? 2. Two kg of sugar and 1/2 kg of tea cost Rs.32 and 3 kg of sugar and 1 kg of tea cost Rs.59. Find the cost of 1 kg of tea 1kg of sugar ?
Click here to see answer by mukhopadhyay(490)

Question 32114: (Sir i am in confussion with this question & i need an answer fastly as possible) Q. A person travels 600 km to his home , partly by train and partly by car . He takes 8 hours if he travels 120km by train abd the rest by car . He takes 20 minutes longer if he travels 200 km by train and the rest by car . Find the speed of the train and the car ?
Click here to see answer by mukhopadhyay(490)

Question 32072: My 13 yr. old son has a project in precalculus and I cannot help. Please help me, help him!!!! Collect at least 15 sets of data from a real world situation. Get your data approved. 2.Display the data you found in table form. 3. Make a scatter plot of data. 4. Find the actual line of best fit on your calculator. Write the equation on your poster. 5. Draw a line of best fit for your data. 6. What is the slope? hat is the y-intercept? What does each mean according to the data? 7. Make a prediciton for an x amount that is not in your data. Make aprediciton for a y amount also. 8. Display the info. 9. Get your data approved. Please help us come up with a priject. He has tried 4 times and she will not except????
Click here to see answer by stanbon(26279)

Question 32132: 1.Solve x+y=a+b , ax-by=a2-b2 2.Solve graphically system of equation 2x-y=5; 4x-y=8
Click here to see answer by AnlytcPhil(958)

Question 32122: find the vertex and intercepts for each parabola. sketch the graph

g(x)=x^2+x-6
Click here to see answer by venugopalramana(3286)

Question 32165: 3x = 3 + 2y I need three ordered pairs to graph. I have ( 1,0 )
Click here to see answer by mukhopadhyay(490)

Question 32177: how do you plot ordered pairs? -4x+y=8
thank you for your time!
Click here to see answer by QueenVoda(11)

Question 30076: use the intercepts to graph the equation 4x-12=3y
Click here to see answer by checkley71(8405)

Question 32280: could you help me with this equations, im stuck!!!
3x-5=2x
could you show me how i can solve this equation.
please!!!
Thanks
Click here to see answer by mukhopadhyay(490)

Question 32312: write a system of linear equations and solve. How many pounds of bird feed at $1.68 and $.83 per pound must be purchased to have 100 pouns of bird feed at a value of $1.34 per pound?
Click here to see answer by checkley71(8405)

Question 32314: A person can row downstream 20 km in 2 hours and upstream 4 km in 2 hours . Find the mans speed of rowing in the still water and speed of the current ? ( sir pls help me . it's urgent THANKS >>>)
Click here to see answer by checkley71(8405)

Question 32313: Good Evening Sir , I have an doubt can you please help me . the question is as following : A person can row 8 km upstream and 24 km downstream in 4 hours . He can row 12 km downstream and 12 km upstream in 4 hours . Find the speed of the person in still water and also the speed of current ? (is this answer right ..............) A. Let the speed of person be x km/hr & speed of sream be y km/hr . Therefore, Speed of person in downstream is x+y km?hr and speed upstream is x-y km/hr ( can u please solve after this ... I will be indebted >>>>
Click here to see answer by checkley71(8405)

Question 32414: How do i graph this equation by its intercepts.
8x-4y=32

Click here to see answer by wuwei96815(245)

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